White House budget director Mick Mulvaney said he isn't sure the Republican healthcare bill has enough votes to pass.
The comments from Mulvaney, who serves as director of the Office of Management and Budget, came during an interview on "Good Morning America."
Asked by host George Stephanopoulos if the bill would pass, Mulvaney said: "Don't know. That's up to the House to count their own votes. The president made his final pitch last night. Made it clear we're all on the same page.
"Republicans all want the same thing. They want to get rid of Obamacare and give people the control and the options that they want, the quality that they need and the affordability they deserve. This is the chance today to deliver all of those things in the House."
Mulvaney cautioned against discounting President' Donald Trump's ability to persuade lawmakers to support the bill.
"Say what you want to about Donald Trump, this is not an ordinary politician," Mulvaney said. "He wants to do this and he wants to do it now. He also wants to move onto things like tax reform, infrastructure, restructuring the government, putting people back to work…
"I have a lot of confidence in the president. The president is a tremendous sales person, a tremendous closer. I wouldn't count him out."
On "CBS This Morning," Mulvaney stressed the bill is better now than it was when it was first introduced.
"I'm sure most folks don't know what's in the bill," he said, noting it has been improved over the last few weeks.
"The point of the matter is this. They know they don't like Obamacare. People back home know they don't like it. It takes the control of their own healthcare out of their hands.
"What's sitting in the House today is better than that. This is the chance to pass it."